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You swing a bat to hit a hall in two different cases. In the ?rst case, the bat collides with a rigid hall that elastically deforms for 111 ms while it is in contact with the hat. 1n the second case, the hat collides with a less rigid hall that elasticallyr deforms for 1.!) ms while it is in contact with the hat. If the halls have the same mass, are thrown with the same speed, and you apply the same constant force to each hall while they are in contact with the hat, which ball will go further? (a) The ball that is in contact with the hat for ill nis. [b] The hall that is in contact with the hat for LEI ms. [c] Both halls travel the same distance. [d] Not enough information.
The near point of a naked eye is 30 cm. When an object is placed at the near point and viewed by the naked eye, it has an angular size of 0.053 rad. Determine the angular size of the image
Physical quantities are generally not purely numerical: They have a particular dimension or combination of dimensions associated with them.
One gallon of gasoline contains 3.1 107 calories of potential energy that are released during combustion. what is the average force produced by the gasoline
Inside a cart that is accelerating horizontally at acceleration ~a, there is a block of mass M connected to two light springs of force constants k1 and k2
A stationary motion detector sends sound waves of frequency0.135 MHz toward a truck approaching at a speed of 49.2 m/s. What is the frequency of the waves reflected back to the detector?
A 27.78 cm diameter cylinder that is 39.07 cm long containes 59.46 g of oxigen gas at 22°C. How many moles of oxigen are in the cylinder
electerons and protons each with energies of 0.4 ev are incident on a square barrier 3 ev high and 0.1 nm wide. compute
In the operating room, anesthesiologists use mass spectrometers to monitor the respiratory gases of patients undergoing surgery. One gas that is often monitored is the anesthetic isoflurane (molecular mass = 3.06 x 10-25 kg).
A piece of copper wire is formed into a single circular loop of radius 13 cm. A magnetic field is oriented parallel to the normal to the loop, and it increases from 0 to 0.62 T in a time of0.38 s.
Calculate the fundamental frequency for an organ pipe, with an effective length equal to 12.0 m that is open at both ends. Use 343 m/s as the speed of sound in air
A spaceship moves past you at speed v. You measure the ship to be 287 m long, whereas an astronaut on the ship measures a length of 380 m. Find out v.
A point charge Q = 5.00 µC is located at the center of a cube of side L = 0.200 m. In addition, six other identical point charges having q = -0.5 µC are positioned symmetrically around Q, as shown in Figure P24.17. Decide the electric flux going out ..
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